
One for VSCode and another for Visual Studio 2019) (2a.): You had no errors prior but now do when messing with a header file. If you don't have errors just Build normally.) (Only do these next steps if you have fake errors. These happen because UE4 makes use of the _LINE_ macro. But fake errors can happen just by adding a single blank line. This usually happens after I've used some forward declarations, outside the class, in a header file. Everyday build errors You've changed header file outside class structure

Once the long Intellisense init is finished I'd close and reopen VS to refresh it.

You may see slowness/errors though until it's finished. You don't have to wait to code if you don't want. Your code should be free of any Intellisense errors.
UE4 VISUAL STUDIO 2015 INTELLISENSE UPDATE
Try using the latest Visual Studio 2019 or VSCode Microsoft C++ Plugin.Īlso update your compiler regularly.

VSCode and UE v4.25.X Defines bug (updated Dec 4th, 2020)
UE4 VISUAL STUDIO 2015 INTELLISENSE UPGRADE
Note: VSCode was used with Build Tools for Visual Studio 2019 Table of Contents: Upgrade Some other compilers, with their version of Intellisense, may still be helped by some of this info. I've tested this in both Visual Studio 2019 and VSCode (Latest Microsoft C++ plugin). I've recently finished a Udemy series and had no problems fixing any Intellisense errors with this guide. This guide should remove all Intellisense errors from your project. Removing red squiggles (Intellisense errors) for Unreal Engine
